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Advanced BORING LOG <br /> GeoEnvironmentat, Inc. BOREHOLE NO MW-25 <br /> ' 1 837 Shaw Road, Stockton, CA 95215 <br /> TOTAL DEPTH <br /> (209)467-1006 FAX {209)467-1118 55 FEET <br /> ' Project Chase Chevrolet-Madison Drilling Co Cascade Drilling <br /> Site Location 423 North Madison Street Rig/Auger Type CME75-HT <br /> 1� Stockton, California Logged By P Dotson <br /> Reviewed By C Lee <br /> Project No AGE-NC-95-0144 Date(s) Drilled 21 July 2003 <br /> Notes Total depth of boring 55 feet below surface grade Boring Water level during drilling Page 1 of 1 <br /> completed as two-inch ground water monitoring well = Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Well cover cnsty box <br /> -5 <br /> ' CL-ML Moderate yellowish brown,CLAYEY SILT, <br /> -10 MW25-10 4/10/1$ 0 mscaceous,damp, 100%recovery,no petroleum <br /> ' hydrocarbon-like(HC)odor <br /> -15 <br /> °o°000°o°o°o ML Moderate yellowish brown,SILT,approximately Cement grout seal from <br /> i -20—I MW25-20 6/9/11 0 0000000 20%fine sand,saturated, 100%recovery,no HC odor 5'to 52'bsg <br /> -25� <br /> ' O SM Moderate yellowish brown,SILTY SAND,fine <br /> -30— MW25-30 9/13/20 0 sand,approximately 15%fines,saturated,90% <br /> recovery,no(HC)odor <br /> ' -35 <br /> Cement grout seal from <br /> 5'to 52'bsg <br /> CL Bluish gray,LEAN CLAY,some silt,moist,100% <br /> - <br /> 40MW25 40 7/8/12 0 recovery,no HC odor <br /> ' -45 <br /> Bentonite seal from 45' <br /> i to 48' bsg <br /> No sample recovery due to heaving sands <br /> 50 <br /> #2112 sand from 50'to <br /> MW25-50 8/15/19 0 <br /> 55'bsg <br /> Screened interval from <br /> -S5 50'to 55'bsg <br /> � I Cap at 55' <br /> i <br />